Hello,
"Jeff Squyres (jsquyres)" writes:
> I'd recommend against using Open MPI v3.1.0 -- it's quite old. If you
> have to use Open MPI v3.1.x, I'd at least suggest using v3.1.6, which
> has all the rolled-up bug fixes on the v3.1.x series.
>
> That being said, Open MPI v4.1.2 is the most curre
Hi,
I meet a performance problem with OpenMPI on my cluster. In some
situation my parallel code is really slow (same binary running on a
different mesh).
To investigate, the fortran code code is built with profiling option
(mpifort -p -O3.) and launched on 91 cores.
One mon.out file pe
